Granted Patent
Utility
US 6,380,416 · App. 09/878,417
Asymmetric synthesis catalyzed by transition metal complexes with rigid chiral ligands
Inventor:
Xumu Zhang
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Jun 12, 2001
Inventor
Xumu Zhang
Assignee (at issue)
THE PENN STATE RESEARCH FOUNDATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.